MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. Heuristics identified it as a link farm pointing to external URLs, some hosted on compromised CMS upload storage. The document body is heavily obfuscated, but the presence of numerous external links suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://smidgel.ru/uplcv?utm_term=a+moment+to+remember+full+movie+in+english PDF link annotation
- http://anneadamslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/8372858217.pdfIn PDF document text
- http://35ct1.com/images/ckImageFiles/files/finezukolumi.pdfIn PDF document text
- https://idealist.ro/userfiles/file/95930849602.pdfIn PDF document text
- http://esteticka-stomatologie.cz/files/content/file/sepexi.pdfIn PDF document text
- http://www.kotolantopeni.cz/files/jefitadobelapazujav.pdfIn PDF document text
- http://inggeo.eu/userfiles/files/29184288020.pdfIn PDF document text
- http://kbautotech.com/board/datafiles/imagefile/97070462266.pdfIn PDF document text
- http://urotunisia.com/uploads/FCK_files/file/22927237142.pdfIn PDF document text
- http://bc-arman.kz/ckfinder/userfiles/files/53910298479.pdfIn PDF document text
- http://wonderpanel.com/app/webroot/img/file/94130662097.pdfIn PDF document text
- http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161404c0b02ec4---81710792602.pdfIn PDF document text
- https://truonggiangcompany.com/userfiles/file/11555473109.pdfIn PDF document text
- http://starcity-vinhomes.vn/app/webroot/img/files/39197398312.pdfIn PDF document text
- http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/1613fd94a5e7e3---kewabalefukojotojelamure.pdfIn PDF document text
- http://dribblebar.pl/userfiles/file/tafadopewikek.pdfIn PDF document text
- https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/76c92a43b6f75d17800833dc9ec7b234/nadexeba.pdfIn PDF document text
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/f2509a61dc5460b418f95421f839bff7/senowas.pdfIn PDF document text
- http://chinawin-consult.com/userfiles/bubeziviw.pdfIn PDF document text
- https://skiclubraonbaccarat.fr/pdf/nimelalegul.pdfIn PDF document text
- https://zilalcooling.com/other_files/File/wuxobijuloxi.pdfIn PDF document text
- http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/161418e080c1ab---63763984064.pdfIn PDF document text
- http://vln.nl/files/file/ligavu.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cca1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCA1 | 10788 bytes |
SHA-256: 57f7f2d667a4c9d44c421c2d73cd1f621832bdd89f7a47387960e33851442d48 |
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font_01_sfnt_off0000e547.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE547 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fd59.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD59 | 17848 bytes |
SHA-256: cc5fddfe1bc030e845cf5494498d3bfcb40fa86f6224bd238f1d322debd7bac1 |
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